Statistics become Stale for Automatically and Randomly Created Interval Partitions in 12.1.0.2
(Doc ID 2953249.1)
Last updated on FEBRUARY 23, 2024
Applies to:
Oracle Database - Enterprise Edition - Version 12.1.0.2 and later
Information in this document applies to any platform.
Symptoms
- Insufficient statistics for new partitions created automatically cause suboptimal execution plan for SQL
- Partitions that are automatically created on tables after reaching interval of 200,000 rows. So, they can be created at any time.
- The calculation of statistics is scheduled during the weekend.
- Disabled Oracle's option of automatically calculating statistics due to restrictions.
- Problems of performance degradation and application slowness.
Changes
Cause
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